Granted Patent
Utility
US 5,223,993 · App. 07/431,575
Multiple actuator disk drive
Inventors:
John P. Squires, Glade N. Bagnell, Charles M. Sander, Kurt M. Anderson
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Nov 3, 1989
Inventors
John P. Squires
Glade N. Bagnell
Charles M. Sander
Kurt M. Anderson
Assignee (at issue)
Conner Peripherals, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.